Home / 178,128.92-245,984.40-114,577.04

Finding the Fourth Proportional to 178,128.92, 245,984.40 and 114,577.04

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Solution

The fourth proportional to 178,128.92, 245,984.40 and 114,577.04 is: 158,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,128.92 : 245,984.40 = 114,577.04 : x
  2. Step 2: Convert to fraction form
    178,128.92/245,984.40 = 114,577.04/x
  3. Step 3: Cross multiply
    178,128.92x = 245,984.40 × 114,577.04
  4. Step 4: Simplify right side
    178,128.92x = 28,184,164,438.18
  5. Step 5: Solve for x
    x = 28,184,164,438.18/178,128.92
  6. Step 6: Final answer
    x = 158,223.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.